I have one main table with left join to other 4 5 tables and properly indexed
tablea is main table
select a.colm1 from tablea a
left outer join tableb b on a.col=b.col
left outer join tablec c on a.col=c.col
.
.
where a.account_year='2009' and a.version=""
group by a.col1,b.col like this i need to optimize query how to do
this
tablea is main table
select a.colm1 from tablea a
left outer join tableb b on a.col=b.col
left outer join tablec c on a.col=c.col
.
.
where a.account_year='2009' and a.version=""
group by a.col1,b.col like this i need to optimize query how to do
this
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